Games
There will be 24 games played in total for the semifinals, with each team playing in 16 of those games.
Scores
Each team carries over half of their score from the regular season (rounded up to the nearest tenth)
| Rank | Team | Regular Season Score | Semifinals Starting Score |
| 1 | Shibuya Abemas | +654.7 | +327.4 |
| 2 | Kadokawa Sakura Knights | +497.3 | +248.7 |
| 3 | Akasaka Drivens | -3.2 | -1.6 |
| 4 | EX Furinkazan | -108.8 | -54.4 |
| 5 | Konami Mahjong Fight Club | -168.5 | -84.2 |
| 6 | Team Raiden | -210.5 | -105.2 |
Schedule
Games will take place every Monday, Tuesday, Thursday and Friday from April 12 to April 30. All games will start at 19:00 JST.
- Week 1: April 12, April 13, April 15, April 16

- Week 2: April 19, April 20, April 22, April 23

- Week 3: April 26, April 27, April 29, April 30

Qualification for the Finals
The top 4 teams with the highest score after the semifinals will move on to the 12-game finals, where they will compete to win the 50 million yen grand prize and the M-League championship plate.